Helicopter blades, tail and fins



FIG. 1 is a perspective side view of helicopter blades, tail and fins, showing our new design;

FIG. 2 is an opposite side perspective view thereof;

FIG. 3 is a side view thereof; and,

FIG. 4 is a top view thereof.

The portions of the helicopter shown in broken lines are for illustration purposes only and form no part of the claimed design. 

The ornamental design for a helicopter blades, tail and fins, as shown and described. 